New Tri-Type Mechanic?

If you could make any of the new pokemon a Tri-Type, which pokemon and types would you pick?------WarGod1199, leader of the Xbox LIVE clan. if you want to join, message me first. I will give you your Gamertag. Members: God, Master, and Wizard.---

I'm fine with the concept of attacks that have a base-type and then deal a different type of damage, but Pokemon with three types is a no.---Playing) Fire Emblem: Awakening, Guild Wars 2Waiting) Pokemon XY